Pump



-0ct. 28, 1930. I DQWNEY 1,779,906

PUMP

Filed Feb. 7,.1950 2 Shets-Sheet z Patented Oct. 28, 1930 ems-D; sitar-Es t e-Tsar 2min DOWREY, or some WORTH, mum's, ASSIGNOBXGF onnkimtn TO; u. n; 1mm, or roar won rsr, nexus c I a runny-.-

Application filed February 7, eria1 Ne I invention relates to pumps and more particularly'pumps for various liquids, such as oil, water, and other liquids; and the ob ject is to provide pumps whichare adapted 5 to pump liquids from deep or shallow wells;

to provide certain devices for preventing displacement of important parts of the pump ing-apparatus; to provide parts which are replaceable; to provide devices which will 1 10 automatically replace or restore parts to their normal position-s after operationsgto provide pumps by which a constant discharge of liquids will be pumped during the time of operation without employing air '15 chambers or any other sort of compressing means, and to providepumps which are" highly eificient in operation and give satis-= factory results in pumping various kinds of liquid from wells. Other obj sets and advan-. 20 tages will be fully explained in the following "being a continuation of the other in succes-.

sion, of the entire pump. I p 4 is a plan View of the upp-er'intake 30 valve assembly, taken on the line 4 4-,o f

Fig. 1.

Fig.15 is a vertical section of "the taken on the line 5-5 of Fig. 41

Fig. 6 is a plan View "of the" l e charge Valve y, ng ownwardlY from the line (56 of Fig. 3.

Fig. 7 is a plan view of the lower intake valve assembly. v T i Figs. 8 and 9 are detail views'of the T-tool connection.

Similar characters of reference are used to indicate thesame parts'throughoutjthe1 a h r 25 andagake o:oper tinsth several views.

7 4 .The drawings show the. pumping appara-' tus located in a well casing l, Th'ejdischarge chamber 2 serves not only asta discharge springs 3 serve tohold the standing valve asdrawings which form a part of this applica sembly downwardly during normal opera.- tions, and prevents displacements of the Valve. ss m y'up a d y T p ngs-3 are sufiiciently yielding. to permitthejvi-thtlra-wajl B iQ- f s king Par s and'trave ing valve orpiston, whiletlie pump remains in the well. The upper polish rod 5115 connected to the sucker rod 6 by a c'ouplingffj, A gspringretainer 8 is loosely .mounted ion' the upper polish" rod ,5 so tha'tt he polish rod 5 will moveireely therethrough. A spring 9 servesto force the valve '10 back in its seat 11;. packing gland 1'2 is'formed integral t the a v 'l'oa ng" '13 s moun ed in thegland 12 anda metallic-Wash r 4 its J car he sp ng fi-f he ps vti l keep tension 'on the packing '13." The polish rod "1 '0 t ugh th lv 10 and the. sack- 1 s 13' which Pr v n any eak ng. arou d 'pel sh'rd 7 .The upper valve assembly includes ahead 18whi chis connected to the discharge ch=ambe? 9 y a upling. 9- The a ve 'ea iil i d'gin ead 18- T e head 8 has a 1 S me,-

al y of; ftp' n l s' 12 t e th ou h t r t passage oflliquidr The head 18 has intake ports "21 the intake 'isfcontroiled'by p ingpr ediball 22 a se sk 3 tnd t ball valves22are openedonly on the downro e th Pump nd-c o ed .9 the P- stroke of the pump. The ports 21, communicate with the interior oftheheadl8 by means fpas ae s 2t Wh h leadtpwardly hrough sealed-from the discharge chamber 2,,a metal with. Ihej valves 22 moveverti'cally in cylinal peninlg 2 w ich c mmun w P r s. 28 wh h d i t v .11t1 n"1i ham e o chamber, but serves tofcontain the springs 33', (four in number) in place and these springsare secured to the chamber 2 by rivets 4:. The

hetldi The, va e a e jepenedg on he S a 2 Th nte ior ,Qfi he JhQadl jis nected to the lower discharge valve assembly which. includes, ahead 34 by a coupling 35.

The working barrel 29 is screwed into the upper end of head 34. The head 34 has a plurality of cylindrical vertical openings 37 there- 36. Seats 38 are inserted through openings 37 from the top of the head and rest on shoulders 39 formed in the head 34.' The openings 37 are reduced at the lower ends to the interior diameters of the seats 38, thus'forming the shoulders'39. At points shortly above the seats 38, the openings are out together by. slots 40 to provide for passage of fluid past the ball valves 36, the slots 40 being too narrow to per mit displacement of the balls through the slots. A perforated plate 41 is secured on the head 34 and has openings corresponding to the openings 37 through the head but thev openings in the plate 41 arestaggered relative tothe openings 37 so that the balls will not pass through the plate. The head 34 is connected to the lower standing valve assembly head 42 by screwing the head 42 into the lower endof the head 34 to avoid enlarging theoutside diameter of the pump. The head 42 has s a plurality of vertical cylindrical openings 43, similar to openings 37, butl'smaller occasioned by the smaller diameter of the head 42. The openings 43 are slotted together by slots'44, similar to slots 40. Ball valves 45 move vertically in the openings 43xand' are urged downwardly by springs 46 The balls 36' in head 34 are urged downwardly by" springs 46 in a similar manner. I The balls-45 are provided with inserted seats 47 which rest on shoulders 48in the head 42. The seats 39 and the seats 47 have'interior grooves 49 for convenience in liftingfthe seats by means of'a suitable toolin pullin'g'or insertion of the seats. A plate 41 is secured to the head 42,

and has similar perfor'ations'andslots to those of plate 41 in head 34. The head 42 isprovided with a' packing gland assembly 50 simi lar to the packing gland 12 in Fig.1, excepting the inverted position. I e -The head 42'is cored'out' from the bottom I an'dthe packing inserted andheld'in position by an annular washer 51, spring 52 and plug 53. 1

A; spring housing 54'is connected 'to the lower end of head 42fbya coupling A perforated sleeve 56 surrounds the lower end of plug53 and rests on a seat 57 which seat57 serves also as a seat for the spring 58. The perforations in sleeve 56form portsfor the passage of'fluid. The sleeve 56 prevents'the spring 58 from obstructing the passage of fluid through the cylindrical openings 43 in head 42. The spring 58 is in sections divided by special washers 59 which have seats on both sides for the adjacent parts of the spring, The spring 58 is secured to the lower polish rod60 by a washer 61 and lock nuts 62.

The polish rod 5 is connected to the piston core rod 63 by means of a coupling 64. The piston cups 65 are held on the core 63 by nuts 66. :The" core 63 is connected to a T-tool plug 67 by screwing the plug 67 on the core 63. The plug 67 is screwed into a cup 68. through for the movement of the ball valves The plug 67 has a groove 69 to receive the spear end'70. The wings 71 of the T-tool spear rest in the groove 72 in the bottom of the cup 68." Aslot 7 3- atright angles to groove 72 is made inthe bottom ofcup 68 to permit thespear to enter the cup chamber 74. on the-entrance of the spear 70 into 1 the cup chamber 74, the spear-70 will be at right angles'to the groove 69 and the groove 72. The cup 69 is-rotated one-quarter turn' so that the spear 70 willregister with the groove 69 and be held in position so that the wings 71 will enter groove 72 when tension is taken on the pump rods. When this quarter turn is made, the cup 68 will automatically drop with the spear point entering the groove 69 whereby the wings .71 are held in position.

weight of the fluid in the tubing. There. fore, spring 58 is designed with suificient' strength to pull the rods down and.accelerate the movement of the fluid or liquid upward in the tubing, being assisted by the weight of the rods The spring 58 is also to keep tension on the entire-string of rods during the operation of the pump on both up. and

down strokes thereby preventing any slap or .vibrationof rods against the walls of the tub ing. The spring 58 will also prevent any unscrewing of. the rods while the pump 'is in operation,- The spring 58 be used ing similar purposes. I V

"In the idle condition, the piston is at the bottom of the downstroke. an; upstroke, the sucker rod and the polish rods'are operatedfroin the surface. 'Fluid both double and single acting puinps, sery;.

willibe taken up through the pipe 54, through theseat 57, through ports 565through'the cylindrical ducts43 in head 42, throughvalve seats 47 around balls 45, through perfora .tions in plate 41, through head 34, up the In commencing working barrel following the piston assembly 65 and the T-tool assembly which is connected to the piston assembly 65, on up the working barrel 29 to the end of the upstroke of pump. On the down stroke, the fluid openings in plate ll into the chamber of hous ing 32, upward through housing 32, through head 18 by way of cylindrical openings 20,

through openings in washer 26 and plate25 which register with openings 20, and thence into chamber 2 which swedges into the wellv tubing. At the same time, fluid is taken through the ports 21 and on up through the cylindrical openings '24 and 27, passing through the seats 23, lifting the valves 22 upwardly, thence through slots or ports 28 by means of the vacuum'created by the piston in the working barrel 29 which is sealed oil' at this time by valve 10, following the piston 65 downwardly through barrel 29 to the end of the down stroke of the piston. The barrel 29 is now filled with fluid above the piston 65 to the level of the ports 28. On the upstroke, this same fluid is forced by means of piston 65 through the barrel 29 and past valve 10 which is lifted by the pressure of the fluid and out into chamber 2 and the tubing.

These operations go on in sequence in the same manner. The pull on the sand in the formations or strata is constant, thereby eliminating all agitation of the sand in the bottom of the well, due to the constant load ing and constant discharge of the pump which is the same on the downstroke and upstroke of the piston. The interval at the end of the strokes is so short, that the agitation of the sand will not be commenced. Due to the construction and arrangement of the several parts, the production or out-putvof liquids is greatly increased ascompared with other pumps of like size. The necessity of counterbalances on the rig at the surface is eliminated and vibration on the rig is eliminated due to the constant tension on therods affected by the spring at the bottom of the well.

Various changes in the sizes, proportions,

' construction and arrangement of the several parts may be made without departing from my invention. v I 7 What I claim is,

3 s 1. A pump having a discharge pipe, a valve assembly associated therewith, a sucker rod operating through said valve assembly, and radially flexible springs attached to themterior' of said discharge pipe and adapted to prevent upward displacement of said valve assembly. 7

r 2; A pump-havinga discharge pipe, a' valve assembly associated therewith, a sucker "rod operating. through said valve assembly, and radially flexible springs attached to the -in terior .of'said discharge pipe and adapted during normal operations to prevent upward displacement-of said valve assembly but sufficiently yielding to permit insertion: of said valve assembly and all .workin'g'partsof the pump. .1 p 1 .3. A pump having adischarge pipe, a valve assembly associated therewith, a sucker rod operating throughwsaid'r; valve assembly, a polish rod connected to said sucker-rod,-said valveassembly consisting of ahead vhaving a central liquiddischarge chamber, a plurality of receiving passages in the lower part passages communicating with said receiving passages, valves'foropeningand closing said receiving passages. and a"-valve" movably mounted on said polish rod for said central discharge chamber, means :for holding said valves iyi'eldingly in their seats, and radially flexible yielding means. attached to the interior of; said. discharge- -pipe and engaging said sucker rod for preventing upward; disthereof-a-ndintake ports leading to said re .ceiving passages, and a plurality of discharge placement of the-working parts of the ump 7 during normal operations, but l-sufficiently yielding to permit insertion and removal of workingparts. I

4:. .Aspnmp having a di-scharge pipe,a'v-alve I assembly connectedthereto, a sucker rod and yie'ldingmeans preventing upward displace- :ment of the pump working'partsi'diiring non mal operations apolish rod and a coupling seats therefor, and having a plurality of dis-' I charge passages concentrically arranged relative to, said intake ports, valves for said intake ports; adapted to engage seats, a valve for. said central discharge chamber movably mountedon said polish rod, a valve retainer bearing against said coupling, and a springbearing against said retalner and against said valve.

5. A pump having a discharge pipe, a valve assembly'as set forth in claim 4, a working barrel connected to said valve assembly, and

I a co-operating valve assembly connected. to

said working barrel and provided with intake and discharge ports.

Ill)

I 6. A pump having a discharge pipe, a valve 6 assembly as set forth in claimvl, a working barrel connected to said assembly, a co-operating valve assembly connectedto said work ing barrel and provided with intake and dischargeports, and a' piston carried by said polish rod and operating through thelatter valve assembly.

7 x A pump having a discharge pipe, a valve assembly connected thereto, a working barrel connected to said'valve assembly, a sucker rod operating, in said discharge pipe, a polish rod connected tosaid. sucker rod and operating in the discharge pipe and through said valve assembly, a working barrel and discharge chamber connected to said valve assembly, a: co-operating valve assembly con; nected to said working barrel and discharge chamber, a lower standing valve assembly connected to said co-operating .valve assembly, a piston carried by said polish rod and operating through said co-operating valve assembly, a lower polish rod, a T-tool plug connecting saidlower polish rod ito'said piston, and a spring mounted on said lower polish rod for maintaining tension in said suckerrod and polish'rodsdfor cooperating with a the weights of said rods in operation.

j 8 A pump having a discharge pipe, a valve assembly connected thereto, a sucker rod and a-polish rod operating" through said valve assembly, saidvalve assembly having a central discharge chamberjand a valve movably mountedlonsaid polish rod, packing for said valve including a sleeveiormed on the valve and provided with av'chamber therein, and a beveled seat in said chamber, packing in said chamber resting in said seat, a beveled washer mounted on said packing,- a spring mounted on sald packing, and a T perforated ,plug

screwed into said sleeve andibearing against said spring; ,1 1

In, testimony whereof, Isetmy hand,rthis I 3d day of February, 1930.

. .F ED nowNEY. 

